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Steel G32NiCrMo8-5-4 vs 35# vs WC1 vs WC4

Benchmark · 4 materials

Side-by-side benchmark of 4 steel grades.

G32NiCrMo8-5-4 vs 35# and 2 more: properties

G32NiCrMo8-5-435#WC1WC4

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

210 GPa30.5 Msi
207 GPa30 Msi
205 GPa29.7 Msi
200 GPa29 Msi

Shear Modulus

81 GPa11.7 Msi
80 GPa11.6 Msi
80 GPa11.6 Msi
78 GPa11.3 Msi

Bulk Modulus

163 GPa23.6 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi
160 GPa23.2 Msi

Tensile Strength (Ultimate)

1,020 MPa148 ksi
560 MPa81.2 ksi
520 MPa75.4 ksi
545 MPa79 ksi

Yield Strength (0.2% offset)

880 MPa128 ksi
330 MPa47.9 ksi
305 MPa44.2 ksi
335 MPa48.6 ksi

Elongation at Break

12%
22%
28%
24%

Reduction in Area

35%
50%
48%
50%

Compressive Strength

900 MPa131 ksi
300 MPa43.5 ksi
340 MPa49.3 ksi

Shear Strength

620 MPa89.9 ksi
400 MPa58 ksi
340 MPa49.3 ksi
340 MPa49.3 ksi

Fatigue Strength (Endurance Limit)

450 MPa65.3 ksi
250 MPa36.3 ksi
210 MPa30.5 ksi
235 MPa34.1 ksi

Fracture Toughness (K_IC)

80 MPa·√m72.8 ksi·√in
55 MPa·√m50.1 ksi·√in
130 MPa·√m118 ksi·√in
120 MPa·√m109 ksi·√in

Charpy V-Notch Impact (RT)

35 J25.8 ft·lbf
60 J44.3 ft·lbf
50 J36.9 ft·lbf
48 J35.4 ft·lbf

Hardness, Brinell

310 HB
160 HB
160 HB
163 HB

Hardness, Rockwell C

33 HRC

Hardness, Vickers

325 HV
168 HV
168 HV

Hardness, Rockwell B

83 HRB
84 HRB
85 HRB

Same in both: Poisson's Ratio 0.29

Physical

Density and transition temperatures.

Density

7.85 g/cm³0.28 lb/in³
7.85 g/cm³0.28 lb/in³
7.85 g/cm³0.28 lb/in³
7.83 g/cm³0.28 lb/in³

Melting Point (Solidus)

1,420°C2,588 °F
1,425°C2,597 °F
1,425°C2,597 °F
1,425°C2,597 °F

Liquidus Temperature

1,490°C2,714 °F
1,500°C2,732 °F
1,505°C2,741 °F
1,500°C2,732 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

38 W/m·K22 BTU/hr·ft·°F
49 W/m·K28.3 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F
42 W/m·K24.3 BTU/hr·ft·°F

Specific Heat Capacity

460 J/kg·K0.11 BTU/lb·°F
477 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F
470 J/kg·K0.11 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

12.3 µm/m·K6.8 µin/in·°F
11.6 µm/m·K6.4 µin/in·°F
12.2 µm/m·K6.8 µin/in·°F
12.3 µm/m·K6.8 µin/in·°F

Latent Heat of Fusion

250 J/g107 BTU/lb
250 J/g107 BTU/lb
270 J/g116 BTU/lb
270 J/g116 BTU/lb

Max Service Temperature (continuous)

350°C662 °F
400°C752 °F
455°C851 °F
540°C1,004 °F

Min Service Temperature

-40°C-40 °F
-20°C-4 °F
-29°C-20 °F
-29°C-20 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

7.5 % IACS
10 % IACS
8.5 % IACS
7.8 % IACS

Electrical Resistivity

2.3×10⁻⁷ Ω·m9.06 µΩ·in
1.7×10⁻⁷ Ω·m6.69 µΩ·in
2×10⁻⁷ Ω·m7.87 µΩ·in
2.2×10⁻⁷ Ω·m8.66 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

-0.6 V
-0.65 V
-0.61 V
-0.62 V

Corrosion Resistance

12 / 100
11 / 100
12 / 100
14 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

32 / 100
60 / 100
58 / 100
58 / 100

Machinability Rating (AISI 1212 = 100 %)

40%
65%
60%
60%

Weldability

30 / 100
55 / 100
70 / 100
55 / 100

Formability (cold)

8 / 100
45 / 100
20 / 100
20 / 100

Castability

60 / 100
35 / 100
70 / 100
70 / 100

Brazeability / Solderability

40 / 100
65 / 100
55 / 100
45 / 100

Polishability

65 / 100
55 / 100
50 / 100
45 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

26 MJ/kg11,178 BTU/lb
25 MJ/kg10,748 BTU/lb
26 MJ/kg11,178 BTU/lb
26 MJ/kg11,178 BTU/lb

Embodied Carbon (primary production)

2.1 kg CO₂/kg
1.9 kg CO₂/kg
2.1 kg CO₂/kg
2 kg CO₂/kg

Embodied Water

60 L/kg7.2 gal/lb
40 L/kg4.8 gal/lb
55 L/kg6.6 gal/lb
55 L/kg6.6 gal/lb

Typical Recycled Content

65%
25%
80%
75%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

130 kN·m/kg
71 kN·m/kg
66 kN·m/kg
70 kN·m/kg

Specific Stiffness (E / density)

26.8 MN·m/kg
26.4 MN·m/kg
26.1 MN·m/kg
25.5 MN·m/kg

Modulus of Resilience

1,844 kJ/m³
263 kJ/m³
227 kJ/m³
281 kJ/m³

Thermal Diffusivity

10.5 mm²/s
13.1 mm²/s
11.4 mm²/s
11.4 mm²/s

Thermal Shock Resistance Index

15
11
9
9

Strength versus weight

Yield strength against density for every steel grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

2005001,0002,0007.588.5Density (g/cm³)Yield strength (MPa) — log scale35#WC1WC4G32NiCrMo8-5-4

Manufacturing and finishing

CapabilityG32NiCrMo8-5-435#WC1WC4
CNC machiningYes
Sheet metalYes
Default conditionHR
Relative cost$$$ Premium$ Budget$$ Standard$$ Standard
Min. machined wall0.8 mm
Best machined surfaceRa 1.6 µm
AlCrNYes
AlTiNYes
Black OxideYes
CVD Al2O3Yes
CVD TiCNYes
CVD TiNYes
CerakoteYes
Chrome PlatingYes
CrNYes
DLCYes
E-CoatingYes
HVOF CoatingYes
Hot-Dip GalvanizingYes
MoS2Yes
Multilayer CVDYes
Nickel PlatingYes
PTFE CoatingYes
PaintingYes

They share 9 finishes: Copper Plating, Electroless Nickel (EN), Epoxy Coating, Gold Plating, Hard Chrome Plating, Manganese Phosphate, Plasma Spray, Silver Plating, Zinc Phosphate.

Ready to make it?

Upload a CAD file and FabDigit prices the part in G32NiCrMo8-5-4 and 35# side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.